body {
  font-family: Arial, sans-serif;
  margin: 20px;
}

#chatSection {
  display: none;
  margin-top: 20px;
}

ul {
  list-style: none;
  padding: 0;
}

li {
  margin-bottom: 8px;
}

input, button {
  margin: 5px 0;
  padding: 6px;
}
